HG/T 20592  法兰盖 BL 300-16 FMRc0-=114 S=56h100F0 RF/r500-10

BL 300-16 FMRc0-=114 S=56h100F0 RF/r500-10

WN150 -16RF Sch80cht0get=-8-1.5users/ha tie2.55G==3B)-

WN 300-2500 RJ S625M-60 C=16 C-FM1500-1.0h=22.7.5

wn150-63 rf sc4.3-Fff381BB=f5 rf)-16RF1

2 CG 1900-4.020ذ‍ز™1=056RF0RFCH10SFFpS=3/

3-FM 500-6.4RF